45663878 has 32 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 19093536.

The previous prime is 45663851. The next prime is 45663889. The reversal of 45663878 is 87836654.

It is a super-3 number, since 3×45663878³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9353 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (2532600).

Almost surely, 2^45663878 is an apocalyptic number.

45663878 is a deficient number, since it is larger than the sum of its proper divisors (35379322).

45663878 is a wasteful number, since it uses less digits than its factorization.

45663878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

The product of its digits is 967680, while the sum is 47.

The square root of 45663878 is about 6757.5053089139. The cubic root of 45663878 is about 357.4299417708.

The spelling of 45663878 in words is "forty-five million, six hundred sixty-three thousand, eight hundred seventy-eight".